1 Serena Williams stepped out for the premiere of her documentary, and stunned in an off-white dress.2 Serena's older sister Venus accompanied her to the event in a black skirt and crop top.3 Last weekend, Steve Johnson got married in a white tuxedo in front of friends and family in southern California.4 Embracing her inner fashionista, Garbine Muguruza is putting out photos courtesy of Vogue Spain.5 Sam Querrey, decked out in a bowtie, was one of many American players at Johnson's wedding.6 In Monte Carlo, Rafael Nadal and Grigor Dimitrov suited up, before taking the court against each other.